HEADUP DISPLAY SYSTEM TERMINALS OF ECU


  1. COMBINATION METER MIRROR ECU

    A01Q8P2E04

    1. Measure the voltage and resistance according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      M1-1 (IG) - Body ground LG - Body ground Engine switch signal Engine switch off Below 1 V
      Engine switch on (IG) 11 to 14 V
      M1-2 (B) - Body ground L - Body ground Battery Always 11 to 14 V
      M1-4 (ES) - Body ground W-B - Body ground Ground Always Below 1 Ω
      M1-9 (SW1) - Body ground G - Body ground Headup display switch signal Headup display switch (HUD) off 4.7 to 5.5 V
      Headup display switch (HUD) on 0 to 0.6 V
      Headup display switch (DISP) off 4.7 to 5.5 V
      Headup display switch (DISP) on 0.8 to 1.6 V
      M1-10 (SW2) - Body ground B - Body ground Headup display switch signal Headup display switch (contrast up) off 4.7 to 5.5 V
      Headup display switch (contrast up) on 0.8 to 1.6 V
      Headup display switch (contrast down) off 4.7 to 5.5 V
      Headup display switch (contrast down) on 0 to 0.6 V
      Headup display switch (position up) off 4.7 to 5.5 V
      Headup display switch (position up) on 3.1 to 4.1 V
      Headup display switch (position down) off 4.7 to 5.5 V
      Headup display switch (position down) on 1.8 to 2.7 V
      M1-12 (MPX1) - Body ground P - Body ground CAN communication line - -
      M1-13 (MPX2) - Body ground R - Body ground CAN communication line - -
      M1-14 (TX+) - Body ground W - Body ground Local bus communication line - -
      M1-15 (TX-) - Body ground V - Body ground Local bus communication line - -
      M1-16 (E) - Body ground W - Body ground Ground Always Below 1 Ω